The medical process aims to help mothers avoid passing genetic diseases to their babies.

• The return of Charlie Hebdo.

The French satirical newspaper today publishes its first issue in six weeks, after the staff members who survived an attack on its Paris office printed a special edition on Jan. 14.

The newspaper now has 200,000 subscribers, compared with 8,000 before the attack.

• Together again.

The “Will & Grace” co-star Eric McCormack reunites with Debra Messing on her show “The Mysteries of Laura.” He’ll play her former fiancé (8 p.m. Eastern, NBC).

The 30th season of “Survivor” has a 90-minute premiere. The 18 castaways, who are competing for a $1 million prize, will be divided into three tribes according to their civilian occupations (8 p.m. Eastern, CBS).